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One of the effective methods to evaluate the quality of digital communication links is the eye diagram, which gives a window for each bit (the Nth bit, between the N-1 random number and the N+1 ran...[Details]

We often hear that when doing fiber optic level 1 testing, that is, fiber optic link loss testing, it is necessary to choose the appropriate reference setting method according to the different links ...[Details]

Pay attention to whether the new lock matches the old door 　　Smart locks have many advantages over traditional mechanical locks. Although the domestic penetration rate is not high, with the strength...[Details]

On August 30, Zhang Qinghong, deputy secretary of the Party Working Committee of Changsha Economic and Technological Development Zone, Zhang Xianghong, member of the Party Working Committee, and Wu...[Details]

　　According to foreign media reports, scientists have recently invented a bionic compound eye that can help scientists understand how insects use their compound eyes to quickly perceive objects and t...[Details]

With the rapid development of modern science and technology, power devices are constantly updated, PWM technology is becoming more and more perfect, and switching power supplies are developing in th...[Details]

How does PLC control servo motors? Before answering this question, we must first understand the purpose of servo motors. Compared with ordinary motors, servo motors are mainly used for precise...[Details]

Electricity comes first for urban development. Since the integrated development of the Yangtze River Delta region has become a national strategy, the integration of power in the Yangtze River Delta...[Details]

Now the world is full of publicity about 5G networks. It is reported that 5G will provide us with network speeds far beyond imagination and will open a door to a brand new world. As of today, we alre...[Details]

The HAR 3920-2100 (dual chip) is an accurate Hall-effect position sensor with robust stray field compensation and both ratiometric analog and switching outputs. This sensor ha...[Details]

1. Open the serial port Serial ports are devices in Linux and can be operated using functions such as open. #include stdio.h #include sys/types.h #include sys/stat.h #include fcntl.h #include u...[Details]

      Microsoft released the new Surface Duo 2 this week, pre-installed with Android 11. According to The Verge, Microsoft is working to push Android 11 updates to the first-generation Surface Duo wi...[Details]

China Energy Storage Network: Power system reform and energy internet are high-frequency topics discussed in the power industry. Grasping the characteristics and opportunities of power market...[Details]

The long-standing two-AA (alkaline or NiMH) power source is the most common battery solution for consumer handheld devices, especially in GPS navigation units, digital cameras, and MP3 playe...[Details]

1. Experience: First, let’s look at an example: Figure 1-1: The process of compiling and burning: Screenshot of main.c: You can see that the first light is turned on...[Details]